package com.cmeduSystem.common.online.service.impl;

import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.github.pagehelper.Page;
import com.cmeduSystem.common.core.annotation.MyDataSourceResolver;
import com.cmeduSystem.common.core.base.dao.BaseDaoMapper;
import com.cmeduSystem.common.core.base.service.BaseService;
import com.cmeduSystem.common.core.constant.ApplicationConstant;
import com.cmeduSystem.common.core.object.MyRelationParam;
import com.cmeduSystem.common.core.object.TokenData;
import com.cmeduSystem.common.core.util.DefaultDataSourceResolver;
import com.cmeduSystem.common.online.dao.OnlineApiGroupMapper;
import com.cmeduSystem.common.online.model.OnlineApiGroup;
import com.cmeduSystem.common.online.service.OnlineApiGroupService;
import com.cmeduSystem.common.sequence.wrapper.IdGeneratorWrapper;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.Date;
import java.util.List;

/**
 * 在线表单自定义API分组数据操作服务接口。
 *
 * @author xulei
 * @date 2025-09-04
 */
@Slf4j
@MyDataSourceResolver(
        resolver = DefaultDataSourceResolver.class,
        intArg = ApplicationConstant.COMMON_FLOW_AND_ONLINE_DATASOURCE_TYPE)
@Service("onlineApiGroupService")
public class OnlineApiGroupServiceImpl extends BaseService<OnlineApiGroup, Long> implements OnlineApiGroupService {

    @Autowired
    private OnlineApiGroupMapper onlineApiGroupMapper;
    @Autowired
    private IdGeneratorWrapper idGenerator;

    /**
     * 返回当前Service的主表Mapper对象。
     *
     * @return 主表Mapper对象。
     */
    @Override
    protected BaseDaoMapper<OnlineApiGroup> mapper() {
        return onlineApiGroupMapper;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public OnlineApiGroup saveNew(OnlineApiGroup commonApiGroup) {
        onlineApiGroupMapper.insert(this.buildDefaultValue(commonApiGroup));
        return commonApiGroup;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean update(OnlineApiGroup commonApiGroup, OnlineApiGroup originalCommonApiGroup) {
        commonApiGroup.setAppCode(TokenData.takeFromRequest().getAppCode());
        commonApiGroup.setCreateUserId(originalCommonApiGroup.getCreateUserId());
        commonApiGroup.setUpdateUserId(TokenData.takeFromRequest().getUserId());
        commonApiGroup.setCreateTime(originalCommonApiGroup.getCreateTime());
        commonApiGroup.setUpdateTime(new Date());
        // 这里重点提示，在执行主表数据更新之前，如果有哪些字段不支持修改操作，请用原有数据对象字段替换当前数据字段。
        UpdateWrapper<OnlineApiGroup> uw = this.createUpdateQueryForNullValue(commonApiGroup, commonApiGroup.getGroupId());
        return onlineApiGroupMapper.update(commonApiGroup, uw) == 1;
    }

    @Transactional(rollbackFor = Exception.class)
    @Override
    public boolean remove(Long groupId) {
        return onlineApiGroupMapper.deleteById(groupId) == 1;
    }

    @Override
    public List<OnlineApiGroup> getOnlineApiGroupList(OnlineApiGroup filter, String orderBy) {
        if (filter == null) {
            filter = new OnlineApiGroup();
        }
        filter.setAppCode(TokenData.takeFromRequest().getAppCode());
        return onlineApiGroupMapper.getOnlineApiGroupList(filter, orderBy);
    }

    @Override
    public List<OnlineApiGroup> getOnlineApiGroupListWithRelation(OnlineApiGroup filter, String orderBy) {
        List<OnlineApiGroup> resultList = this.getOnlineApiGroupList(filter, orderBy);
        // 在缺省生成的代码中，如果查询结果resultList不是Page对象，说明没有分页，那么就很可能是数据导出接口调用了当前方法。
        // 为了避免一次性的大量数据关联，规避因此而造成的系统运行性能冲击，这里手动进行了分批次读取，开发者可按需修改该值。
        int batchSize = resultList instanceof Page ? 0 : 1000;
        this.buildRelationForDataList(resultList, MyRelationParam.normal(), batchSize);
        return resultList;
    }

    @Override
    public boolean hasChildren(Long groupId) {
        OnlineApiGroup filter = new OnlineApiGroup();
        filter.setParentId(groupId);
        return getCountByFilter(filter) > 0;
    }

    private OnlineApiGroup buildDefaultValue(OnlineApiGroup commonApiGroup) {
        commonApiGroup.setGroupId(idGenerator.nextLongId());
        TokenData tokenData = TokenData.takeFromRequest();
        commonApiGroup.setCreateUserId(tokenData.getUserId());
        commonApiGroup.setUpdateUserId(tokenData.getUserId());
        Date now = new Date();
        commonApiGroup.setCreateTime(now);
        commonApiGroup.setUpdateTime(now);
        commonApiGroup.setAppCode(tokenData.getAppCode());
        return commonApiGroup;
    }
}
